OEM 2005 GMC Sierra 3500 Harmonic Balancer

2005 GMC Sierra 3500 Harmonic Balancer Parts Questions & Experts Answers

• Q: What tools are required to replace the Harmonic Balancer on 4.8L, 5.3L, and 6.0L engines on 2005 GMC Sierra 3500?

  A: You need crankshaft balancer remover (J41816) together with crankshaft end protector (J41816-2), flywheel holding tool (J42386-A), crankshaft balancer and sprocket installer (J41665) and angle meter (J45059) to replace the crankshaft balancer on 4.8l, 5.3l, and 6.0l engines. Start the procedure by taking off the a/c Drive Belt followed by lower Fan Shroud along with the Starter motor. First ensure the Flywheel holding tool (J42386-A) teeth interchange properly with the engine Flywheel teeth and after that install it using an m10-1.5 x 120 mm bolt and one m10-1.5 x 45 mm bolt and tighten it to 50 nm (37 ft. Lbs.). The crankshaft balancer bolt requires removal since it will return to service later on. The crankshaft balancer remover (J41816) together with the crankshaft end protector (J41816-2) will help you detach the balancer after which you need to clean and inspect it. Place the balancer upright on the crankshaft and apply the crankshaft balancer and sprocket installer (J41665) to install it before assembling threaded rod and washer and installing the nut correctly. Reinstall the used balancer bolt to a torque setting of 330 nm (240 ft. Lbs.). After that, remove the bolt. The installation requires verification of balancer depth within 2.4-4.48mm (0.094-0.176 inches) from the bore; reinstall if needed. Make use of the new balancer bolt by performing a 50 nm (37 ft. Lbs.) torque initial then following with 140 degrees specified by the angle meter (J45059). After removal of the Flywheel holding tool (J42386-A) and its bolts replace the Starter motor along with both the Fan Shroud and the a/c Drive Belt while performing the crankshaft position (CKP) system variation learn procedure.